2*U | 0 | 0 | 0 | 0 | 0 | -(Sqrt[2]*t) | 2*t |
0 | 2*U | -2*t | 0 | 0 | Sqrt[2]*t | 0 | -(Sqrt[2]*t) |
0 | -2*t | 2*U | Sqrt[2]*t | t | 0 | 0 | 0 |
0 | 0 | Sqrt[2]*t | 2*U | 0 | 0 | -(Sqrt[2]*t) | 0 |
0 | 0 | t | 0 | U | -(Sqrt[2]*t) | -2*t | 0 |
0 | Sqrt[2]*t | 0 | 0 | -(Sqrt[2]*t) | U | 0 | 0 |
-(Sqrt[2]*t) | 0 | 0 | -(Sqrt[2]*t) | -2*t | 0 | U | 0 |
2*t | -(Sqrt[2]*t) | 0 | 0 | 0 | 0 | 0 | U |